Pair the Receiver to Your Bluetooth Smart Device. Now You Can Enjoy Your Music through Your Headphone Speakers Home Stereo System/Car Stereo System or Answer Hands Free Calls - TX Mode Transmitter Mode Pair the Device to Your Bluetooth Headphones or Bluetooth Speakers. Plug It in Your Non-Bluetooth Media Devices Such as MP3 CD/DVD Player TVs etc. via 3.5mm Audio Cable or RCA Cable. Now You Can Enjoy Your Music via Bluetooth Speakers/Bluetooth Headsets from Your Non-Bluetooth Media Device - Intelligent Dual Mode The Transmitter Makes Your TV/PC/DVD Capable So That You Can Enjoy Your Favourite Movies or TV Shows without Interrupting Others at Night. The Receiver Mode Brings the Latest Songs from Cellphone or Tablet to Your Speaker or Headphone - Wireless Free from Worries Say Goodbye to Tangled Cables with Latest Bluetooth 4.2 That Features Stable and Reliable Connection. Up to 33ft Connection Range Guarantees Low Signal Delay. Enjoy High Quality Sound with Such a Cute Adapter - Wider Compatibility This 2-in-1 Bluetooth Sdapter with 3.5mm Jack is Designed for Aux and Audio Input and Output Ports on PC TV CD Player MP3 or Other Speakers and Headphones - Keep the Fun Going Longer Lasting Battery Life Means Longer Fun. With an Ultra-long Battery Life of Up to 6 Hours You are Able to Enjoy Music or TV Shows for Almost the Entire daytime Before the Next Recharge Specifications: Technologies: Bluetooth v5.0 A2DP AVRCP Receiver Mode Only Operation Range: Up to 10M / 33ft Without Any Blocking Objects Charging Time: 2 Hours Continuous Use Time: 6 Hours Receiver Mode / 5 Hours Transmitter Mode Battery Type: Li-Polymer 200mAh Dimensions: 44 x 44 x 12mm Weight: 18g Package Included: 1 x Bluetooth v5.0 Audio Transmitter/Receiver Adapter 1 x Micro USB Power Cable 1 x RCA Cable 1 x 3.5mm Aux Cable Notes: 1. Please allow slight chromatic aberration in the photo 2. Due to manual measurement the size may be deviated PC and Other Digital Accessories in the Picture Not included.